Browsing M.S. Theses by Title

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  • A comparative study on selective biosorption in aqueous mixtures of dyes with different ionic characters by chlorella sp. biomass 
    Yılmaz, Beyza. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)
    In this study, the adsorption percentages of Chlorella Sp. biomass towards five ionic dyes and their relevant combinations in aqueous media were studied as a model system for wastewater remediation compared to a proper ...
  • A computational analysis of solvent effect :|thiol-ene reactions and CaO bond strength within hydrated calcium clusters 
    Munar, İpek. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    In the first part this thesis, the solvent effect on thiol-ene reaction kinetics is elucidated. The effect of polar media on the reaction kinetics is taken into account by using the transition state theory, the reactivities ...
  • A computational approach to evaluate the pKa's of quinazoline derivatives 
    Kıran, Melisa. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)
    One of the most important constants in chemistry is the ionization (dissociation) constant (pKa). Estimating the pKa value(s) for a potential drug is critical, especially since computations are considerably less expensive ...
  • A computational approach to optical and charge carrier properties of organic semiconductors 
    Turan, Haydar Taylan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2016.)
    In this study, the structural and optical properties of various organic semiconductors have been computationally investigated. In the first part, linear and nonlinear optical properties of a series of bis(E-dimesitylbory ...
  • A computational approach to the core of eunicellins 
    Bozkurt, Esra. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    The asymmetric Diels-Alder reaction has attracted much interest for decades. Most recently, interest in the use of catalysts in cycloadditions has gained momentum due to their capacity to provide complex stereoselectivity ...
  • A computational insight on self - etchinh and bistyrenic monomers 
    Özaydın, Gül Beste. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Cyclopolymerization reaction of difunctional styrene monomers and the efficient binding of self-etching monomers to the hydroxyapatite component of the tooth have been widely studied using empirical approaches. However, ...
  • A computational study on the design of donor - acceptor copolymers for organic photovoltaic materials 
    Kahraman, Birce. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    Organic solar cells are one kind of renewable energy. In this study, 50 different donor-acceptor oligomers, which were used for photovoltaic materials, were investigated by using 5 different acceptors, which are ...
  • A DFT study of the four-center HF eliminations from fluoroethylenes: transition state and charge analysis along the IRC 
    Önlü, Serli. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    The unimolecular, ground-state, four-center hydrogen fluoride elimination from vinyl fluoride, 1,1-difluoroethylene, trans-1,2-difluoroethylene, and trifluoroethylene reactions were investigated in this thesis. Hartree-Fock ...
  • A parametric study of laboratory scale manifacture of sodiumallysulfonate 
    Börekcioğlu, Pınar. (Thesis (M.S.)- Bogazici University. Institute for Graduate Studies in Scieence and Engineering, 1986., 1986.)
    The main aim of this work involyes the manufacture of sodium allylsulfonate from allylbromide and sodium sulfite by using laboratory scale testing of the commonly used industrial batch method(1). Yield of sodium allylsulfonate ...
  • A study on halloysite reinforced chitosan hydrogel nanocomposites: synthesis, characterization & DYE adsorption properties 
    Palantöken, Sinem. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    In this project, synthesis and characterization of a series of natural silica nanotube reinforced chitosan nanocomposite hydrogels are done. Nanocomposite hydrogels were prepared through physical crosslinking of chitosan ...
  • Activity of topotecan as topoisomerase IB inhibitor 
    Bali, Semiha Kevser. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018., 2018.)
    Human Topoisomerase I (TopoI) is an enzyme that relaxes the supercoils on the DNA. First, it creates a nick only on one strand of DNA by covalently binding to it, and relaxes DNA by rotating the nicked strand around the ...
  • Adsorption of branched polymer chains onto solid substrates 
    Özer, Sümeyye. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Polymer thin films have a wide range of applications in photovoltaic materials, biomedical coatings, and nanolithography. Thin films are prepared using either solution or melt deposition techniques in which residual stresses ...
  • Aldol reactions of conformationally stable o-CF3 phenyl bearing axially chiral thiohydantoins 
    Bacak Erdik, Melis. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2021., 2021.)
    Novel axially chiral thiohydantoin derivatives bearing an o-CF3 phenyl ring have been synthesized atroposelectively from the reaction of R and S alanine, phenyl alanine and valine methyl ester HCl salts with ortho-triflu ...
  • An investigation of the effect of CD, HG and ZN on the growth of two species of blue green algae 
    Ağlarca, Zeynep. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1983., 1983.)
    In this research, effects of three metals, cadmium, mercury and zinc were investigated on two species of blue green algae, Anabaena flos aquae and Gloeocapsa. Cells were grown in sterile medium free of combined nitrogen ...
  • Anti-angiogenesis chemotherapy agents 
    Çıtak, Duygu. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    Angiogenesis can be explained as the growth of new blood vessels from pre-existing vasculature. It has an important and vital role in growth and development, as well as in wound healing. Anti-angiogenic substances suppress ...
  • Antibody-drug-conjugates as targeted chemotherapy agents for breast cancer 
    Gür, Salli. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Antibodies are large molecular weight proteins produced by the immune system. They have high affinity to receptors on different cells’ surfaces. Using this affinity, a number of studies have been conducted to deliver ...
  • Benchmarking TADF activity of sulfone based compounds 
    Hepgüler, Aslıhan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)
    Thermally activated delayed fluorescence (TADF) mechanism can be explained as transfer of excitons from the first triplet excited state (T1) to the first singlet ex cited state (S1) by reverse intersystem crossing (RISC). ...
  • Bone targeted photodynamic therapy 
    Demirci, Gönül. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    Photodynamic therapy (PDT) is a method for treatment of cancerous tumors and many other diseases. PDT is the preferential delivery of a photosensitizer (PS) to tumor tissue which is followed by irradiation of light of ...
  • Catch & release thiol reactive hydrogels 
    Coşar, Merve. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    Hydrogels have attracted remarkable attention since they have high potential uses in many fields. They are commonly used in tissue engineering, drug delivery systems, biosensors and wound healing dressings. Recently, there ...
  • Characterization and photocatalytic activity of sepiolite-TiO2 and Na-montmorillonite-TiO2 catalysts 
    Sayınsöz, Elçin. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    This study focused on structural and photocatalytic properties of TiO2 incorporated Sepiolite and Na-Montmorillonite. Catalyst characterization was carried out by thermal gravimetric analysis (TGA), X-ray diffraction (XRD), ...

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